吸氧浓度为33％，每分钟氧流量为

A.1 L

B.2 L

C.3 L

D.4 L

A.29%

B.33%

C.38%

D.41%

A.37%

B.29%

C.33%

D.36%

A.1L/min

B.2L/min

C.3L/min

D.4L/min

A.高浓度，高流量，持续吸氧

B.低浓度，低流量，持续给氧

C.高浓度，高流量，间断给氧

D.低浓度与高流量交替持续給氧

A.5-6L/min

B.2-3L/min

C.1-2L/min

D.1-2L/s

E.2-3L/s

A.20%~25%

B.20%~33%

C.30%~35%

D.30%~40%

E.>60%

A.马上通知医生处理

B.调节氧流量，加大吸氧量

C.注射呼吸兴奋剂

D.检查吸氧装置及病人鼻腔

A.间断吸氧

B.持续低流量吸氧

C.高流量吸氧

D.高浓度吸氧